Answer:
Three economic initiatives introduced by John F. Kennedy include:
1. **The New Frontier**: This was Kennedy's overarching economic agenda aimed at stimulating economic growth and addressing social issues. It involved initiatives such as tax cuts, increases in the minimum wage, and investments in education and infrastructure.
2. **The Investment Tax Credit**: Introduced as part of the Revenue Act of 1962, this initiative provided tax incentives to businesses for investing in new equipment and facilities. The goal was to spur business investment and modernize the economy.
3. **Space Program**: While not solely an economic initiative, Kennedy's commitment to the space program led to significant investments in science and technology. This investment helped drive innovation and technological advancement, which had wide-ranging economic benefits, including the development of new industries and technologies.